Artículos relacionados a Practical C++ Design: From Programming to Architecture
Sinopsis
Preface (5 pages)
The preface details my motivation for writing the book, the target audience for the book, the
general structure of the book, and how to contact the author. Of particular importance is the
rationale behind choosing the case study, the target language (C++), and the GUI toolkit (Qt).
Chapter 1: Defining the Case Study (6 pages)
The first chapter describes, in detail, the case study to be examine in the book. The chapter
discusses requirements in the abstract and then transitions to the calculator's specific requirements.
This sets the stage for the remainder of the book, which describes, in detail, the design and
implementation of the calculator, pdCalc, proposed in Chapter 1.
1. A Brief Introduction
2. A Few Words About Requirements
3. Reverse Polish Notation (RPN)
4. The Calculator's Requirements
5. The Source Code
1The advic
e, information, and conclusions discussed in this book are those of the author and have not beenendorsed by, or reflect the opinions or practices of, ExxonMobil Corporation or its affiliates.
5
Chapter 2: Decomposition (18 pages)
In this chapter, I explain the elements of a good decomposition and strategies for decomposing a
problem into manageable pieces. Subsequently, an architecture for pdCalc is selected, the calculator
is modularized, and use cases are used to develop interfaces for the high level calculator modules.
The four high level modules are the stack, the command dispatcher, the user interface (subdivided
into a command line interface and a graphic user interface), and a plugin manager.
1. The Elements of a Good Decomposition
2. Selecting An Architecture
3. Interfaces
4. Assessment of Our Current Design
5. Next Steps
Chapter 3: The St
ack (20 pages)The stack is the first module discussed in detail. The stack is the fundamental data repository
of the calculator. As part of the calculator's design and implementation, the singleton pattern is
explored. The stack also affords the first opportunity to discuss an event system for the calculator,
which provides a backdrop for exploration of the observer pattern, including the design and
implementation of reusable publisher and observer abstract classes.
1. Decomposition of the Stack Module
2. The Stack Class
3. Adding Events
4. A Quick Note on Testing
Chapter 4: The Command Dispatcher (32 pages)
This chapter describes the design and implementation of the command dispatcher, the module of
the calculator responsible for the creation, storage, and execution of commands. Of particular note
in this chapter is the exposition on the command pattern an
d how it can be used to implement apractical undo/redo framework. In addition to exploring a traditional deep hierarchy method for
implementing commands, a C++11 alternative using lambda expressions and the standard function
template are presented as a modern alternative design.
1. The Decomposition of the Command Dispatcher
2. The Command Class
3. The Command Repository
4. The Command Manager
5. The Command Dispatcher
6. Revisiting Earlier Decisions
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Chapter 5: The Command Line Interface (14 pages)
This chapter marks an important milestone, the creation of the first user executable program.
In addition to building a simple command line interface, we'll explore how to create an abstract
software interface suitable for both a command line interface and a graphical user interface. Within
the context of the command line interface, we'
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